<template>
  <view v-if="goods_info.goods_name" class="goods-detail-container">
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
      <swiper-item v-for="(item,i) in goods_info.pics" :key="i" @click="preview(i)">
        <image :src="item.pics_big"></image>
      </swiper-item>
    </swiper>
    <!-- 商品信息区域 -->
    <view class="goods-info-box">
      <!-- 商品价格 -->
      <view class="price">￥{{goods_info.goods_price}}</view>
      <!-- 商品信息主体区域 -->
      <view class="goods-info-body">
        <!-- 商品名儿 -->
        <view class="goods-name">{{goods_info.goods_name}}</view>
        <!-- 收藏 -->
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <!-- 运费 -->
      <view class="yf">快递：免运费</view>
      <rich-text :nodes="goods_info.goods_introduce"></rich-text>
      <!-- 商品导航组件区 -->
      <view class="goods_nav">
        <uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
      </view>
    </view>
  </view>
</template>

<script>
  import {mapState,mapMutations,mapGetters} from 'vuex'
  export default {
    computed:{
      ...mapState('m_cart',['cart']),
      ...mapGetters('m_cart',['total'])
    },
    watch:{
      total:{
        handler(newVal){
            // this.options[1].info = newVal
            const findResult = this.options.find(x=>x.text === '购物车')
            if(findResult){
              findResult.info = newVal
          }
        },
        immediate:true,
        
      }
    },
    data() {
      return {
        goods_info:{},
         options: [{
         			icon: 'shop',
         			text: '店铺',
         		}, {
         			icon: 'cart',
         			text: '购物车',
         			info: 0
         		}],
         	    buttonGroup: [{
         	      text: '加入购物车',
         	      backgroundColor: '#ff0000',
         	      color: '#fff'
         	    },
         	    {
         	      text: '立即购买',
         	      backgroundColor: '#ffa200',
         	      color: '#fff'
         	    }
         	    ]
      };
    },
    onLoad(options) {
      const goods_id = options.goods_id
      this.getGoodsDetail(goods_id)
    },
    methods:{
      ...mapMutations('m_cart',['addToCart']),
      async getGoodsDetail(goods_id){
        const {data:res} = await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
        if(res.meta.status !== 200) return uni.$showMsg()
        res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g,'<img style="display:block"').replace(/webp/g,'jpg')
        this.goods_info = res.message
       },
       preview(i){
         uni.previewImage({
           current:i,
           urls:this.goods_info.pics.map(x=>x.pics_big)
         })
       },
       onClick(e){
         if(e.content.text === '购物车'){
           uni.switchTab({
             url:'/pages/cart/cart'
           })
         }
       },
       buttonClick(e){
         if(e.content.text === '加入购物车'){
           //组织商品的信息对象
           const goods = {
             goods_id:this.goods_info.goods_id,
             goods_name:this.goods_info.goods_name,
             goods_price:this.goods_info.goods_price,
             goods_count:1,
             goods_small_logo:this.goods_info.goods_small_logo,
             goods_sate:true
           }
           //调用addToCart方法
           this.addToCart(goods)
         }
       }
    }
  }
</script>

<style lang="scss">
swiper{
  height: 750rpx;
  
  
  image{
    width: 100%;
    height: 100%;
  }
}
.goods-info-box{
  padding: 10px;
  padding-right: 0;
  .price{
    color: #C00000;
    font-size: 18px;
    margin: 10px 0;
  }
  .goods-info-body{
    display: flex;
    justify-content: space-between;
    .goods-name{
      font-size: 13px;
      margin-right: 10px;
    }
    .favi{
      width: 120px;
      font-size: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      border-left: 1px solid #efefef;
      color: grey
    }
  }
  .yf{
    font-size: 12px;
    color: gray;
    margin: 10px 0;
  }
}
.goods_nav{

  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}
.goods-detail-container{
  padding-bottom: 50px;
}
</style>
